Uniflair LEONARDO EVOLUTION TDAR 1321A

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Summary

LEONARDO EVOLUTION INSTALLATION MANUAL

SAFETY

Safety during maintenance work

Ensures maintenance is performed by qualified personnel after unplugging the unit.

LEONARDO EVOLUTION - DIRECT EXPANSION

CHILLED WATER DIRECT EXPANSION UNITS WITH EC BACKWARD CURVED BLADE FANS

Operating description

Explains the operational principles of chilled water units.

Name and description of the principle components

Checks to be made on delivery

Characteristics of the installation area

Positioning of the unit

Electrical connections

Choosing the diameter of the discharge tube

Evacuation of the refrigeration circuit and charging of refrigerant

MANUAL START UP AND SHUT DOWN OF THE UNIT

SETTING AND ADJUSTMENT

Selecting the power supply of the fans

Guidance on selecting fan power supply levels for optimal performance.

HOW TO ADJUST FAN SPEED

Setting the regulation and safety devices

Setting the air flow sensor

Procedure for setting the differential pressure switch for air flow.

Setting the dirty filter sensors

Procedure for setting the differential pressure switch for dirty filters.

MAINTENANCE

Troubleshooting

TEMPERATURE CONTROL

HUMIDITY CONTROL

REFRIGERANT CIRCUIT

HIGH COMPRESSOR DISCHARGE PRESSURE

Troubleshooting high discharge pressure in the refrigerant circuit.

LOW COMPRESSOR DISCHARGE PRESSURE

Troubleshooting low discharge pressure in the refrigerant circuit.

COMPRESSORS

LOW COMPRESSOR SUCTION PRESSURE (and possible freezing of the coil)

THE COMPRESSOR(S) DOESNT;DONT WORK

LEONARDO EVOLUTION - CHILLED WATER

Filling the hydraulic circuit

LEONARDO EVOLUTION ENERGY SAVING

LEONARDO EVOLUTION TWIN-COOL

Technical characteristics

Detailed technical specifications for Twin-Cool units.

Operating description

Description of the components

Maintenance

Electric heaters